GB352626A - Manufacture of ªÏ-aminomethylbenzanthrone - Google Patents

Manufacture of ªÏ-aminomethylbenzanthrone

Info

Publication number
GB352626A
GB352626A GB1457030A GB1457030A GB352626A GB 352626 A GB352626 A GB 352626A GB 1457030 A GB1457030 A GB 1457030A GB 1457030 A GB1457030 A GB 1457030A GB 352626 A GB352626 A GB 352626A
Authority
GB
United Kingdom
Prior art keywords
aminomethylbenzanthrone
benzanthrone
treated
manufacture
halogenmethylphthalimide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1457030A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to GB1457030A priority Critical patent/GB352626A/en
Publication of GB352626A publication Critical patent/GB352626A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B3/00—Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
    • C09B3/02—Benzathrones
    • C09B3/06—Preparation from starting materials already containing the benzanthrone nucleus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

o -Aminomethylbenzanthrone is obtained by condensing a halogenmethylphthalimide with benzanthrone in presence of a solvent and hydrogenhalide-removing catalyst, and subsequently splitting off the phthalic acid residue. According to the example, benzanthrone is treated in nitrobenzene with chlormethylphthalimide in presence of zinc chloride, and the product dissolved in caustic soda is treated with hydrochloric acid.
GB1457030A 1930-05-12 1930-05-12 Manufacture of ªÏ-aminomethylbenzanthrone Expired GB352626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1457030A GB352626A (en) 1930-05-12 1930-05-12 Manufacture of ªÏ-aminomethylbenzanthrone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1457030A GB352626A (en) 1930-05-12 1930-05-12 Manufacture of ªÏ-aminomethylbenzanthrone

Publications (1)

Publication Number Publication Date
GB352626A true GB352626A (en) 1931-07-16

Family

ID=10043598

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1457030A Expired GB352626A (en) 1930-05-12 1930-05-12 Manufacture of ªÏ-aminomethylbenzanthrone

Country Status (1)

Country Link
GB (1) GB352626A (en)

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